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Title:
The pro catalyst composition and process which were strengthened
Document Type and Number:
Japanese Patent JP5969210
Kind Code:
B2
Abstract:
Disclosed herein are processes for preparing procatalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions improve catalyst selectivity and also increase the bulk density of the formant polymer.

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Inventors:
Gonzales, Kelly, A.
Williams, Clark, Sea.
Chen, Rinfeng
Application Number:
JP2011544623A
Publication Date:
August 17, 2016
Filing Date:
December 31, 2009
Export Citation:
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Assignee:
W. R. Grace and Company-Connecticut
International Classes:
C08F4/654; C08F210/06
Domestic Patent References:
JP2005517746A
JP2000281711A
JP2007505955A
JP2012514600A
JP2012514123A
JP2011529888A
JP2012500320A
Foreign References:
WO2008010459A1
Attorney, Agent or Firm:
Patent business corporation Odashima patent office



 
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